.SENRUS17 Files Virus – How to Remove and Restore Files

This article aims to help you remove .SENRUS files ransomware (RotorCrypt) from your computer and restore files that have been encrypted by it on your computer system.

New variant of the RotorCrypt ransomware viruses, known as .SENRUS17 file virus, has been reported to cause immense damage on the files of the computers it infects. Luckily this virus only encrypt the files and does not damage them permanently, meaning they cannot be opened until the victims pay a hefty ransom fee to get back the files that have been encrypted by it on their PC’s. If your PC has been infected by the .SENRUS17 files virus and you are looking for a way to remove this ransomware and restore your encrypted files without paying the ransom, we recommend you to read this article.

Threat Summary

Name

.SENRUS17 Virus

Type

Ransomware, Cryptovirus

Short Description

Encrypts the files on your computer adding a custom file extension and demands ransom payoff in BitCoin to get them back.

Symptoms

The files on the victim’s computer are encrypted with the added .SENRUS17 file extension.

Windows Data Recovery by Stellar PhoenixNotice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

.SENRUS17 Files Virus – Distribution

The infection process of this ransomware virus is conducted primarily via spammed e-mails. Such messages often aim to trick potential victims into opening the e-mail attachments on them or clicking on a malicious web link related to them where the actual infection file can be found. Here is one example of such malicious e-mail which has linked the infection file download page directly In the e-mail:

Since the actual infection file is linked via Dropbox, which is one of the biggest cloud-sharing services, the malware cannot be blocked from the e-mail provider.

Besides via e-mail, the .SENRUS17 variant of RotorCrypt is a ransomware virus that may also be spread via other methods, such as being integrated in multiple different types of fake programs, like setups of freeware, fake game installers, fake game patches and cracks.

.SENRUS17 Files Virus – More Information

In addition to having multiple different types of methods to infect your, .SENRUS17 files virus has various functions that allow it to perform a set of malicious activities on your infected computer. These ultimately result in your files becoming encrypted.

The first set of activities which .SENRUS17 ransomware performs is to drop it’s malicious payload on your computer, after which executes it. The payload may be located in the following Windows directories:

%AppData%t

%Local%

%LocalLow%

%Roaming%

In addition to this, the ransomware virus also aims to modify the Windows Registry Editor of your computer system. To do that, .SENRUS17 file virus may add custom Windows registry values in the Run and RunOnce sub-keys, making the malware to automatically run on Windows boot:

.SENRUS17 Ransomware – Encryption Process

The encryption of .SENRUS17 files virus is conducted in a similar way to other RotorCrypt variants. The virus uses the RSA encryption algorithm to generate unique private and public encryption keys for the encrypted files. The types of files this virus scans for are from different types, and they are reported by researchers to have the following file extensions:

After the files have been detected this ransomware encrypts them and adds the “!==solve a [email protected]===.SENRUS17” file extension to them. This results in the files beginning to look like the following:

The RotorCrypt ransomware variants have all similar file extensions and this does not exclude all the previous variants, which have so far used the following extensions:

Remove .SENRUS17 Files Ransomware and Restore Encrypted Files

If you want to remove this ransomware infection from your computer, recommendations are to focus on removing it by following either the manual or automatic instructions below. Even though manual removal may seem like the way to go, malware researchers and security analysts often advise removing viruses, like .SENRUS17 ransomware automatically using an advanced anti-malware software. Such will make sure that all of the related files to this virus are removed from your computer automatically and your PC is protected against future infections as well.

If you are looking for methods to recover files that have been encrypted with the .SENRUS17 file extension, we recommend that you follow our alternative methods for file recovery below in step “2. Restore files encrypted by .SENRUS17 Virus”. They are specifically designed to help you recover as many files as possible without paying the ransom.

Manually delete .SENRUS17 Virus from your computer

Note! Substantial notification about the .SENRUS17 Virus threat: Manual removal of .SENRUS17 Virus requires interference with system files and registries. Thus, it can cause damage to your PC. Even if your computer skills are not at a professional level, don’t worry. You can do the removal yourself just in 5 minutes, using a malware removal tool.

Boot Your PC Into Safe Mode

1. For Windows 7,XP and Vista. 2. For Windows 8, 8.1 and 10. Fix registry entries created by .SENRUS17 Virus on your PC.

For Windows XP, Vista, 7 systems:

1. Remove all CDs and DVDs, and then Restart your PC from the “Start” menu. 2. Select one of the two options provided below:

– For PCs with a single operating system: Press “F8” repeatedly after the first boot screen shows up during the restart of your computer. In case the Windows logo appears on the screen, you have to repeat the same task again.

– For PCs with multiple operating systems: Тhe arrow keys will help you select the operating system you prefer to start in Safe Mode. Press “F8” just as described for a single operating system.

3. As the “Advanced Boot Options” screen appears, select the Safe Mode option you want using the arrow keys. As you make your selection, press “Enter“.

4. Log on to your computer using your administrator account

While your computer is in Safe Mode, the words “Safe Mode” will appear in all four corners of your screen.

Step 1: Open the Start Menu

Step 2: Whilst holding down Shift button, click on Power and then click on Restart.Step 3: After reboot, the aftermentioned menu will appear. From there you should choose Troubleshoot.

Step 4: You will see the Troubleshoot menu. From this menu you can choose Advanced Options.

Step 7: A menu will appear upon reboot. You should choose Safe Mode by pressing its corresponding number and the machine will restart.

Some malicious scripts may modify the registry entries of your computer to change different settings. This is why manual clean up of your Windows Registry Database is strongly recommended. Since the tutorial on how to do this is a bit lenghty, we recommend following our instructive article about fixing registry entries.

2.Find malicious files created by .SENRUS17 Virus on your PC

Find malicious files created by .SENRUS17 Virus

1. For Windows 8, 8.1 and 10. 2. For Windows 7,XP and Vista.

For Newer Windows Operating Systems

Step 1:

On your keyboard press + R and write explorer.exe in the Run text box and then click on the Ok button.

Step 2:

Click on your PC from the quick access bar. This is usually an icon with a monitor and its name is either “My Computer”, “My PC” or “This PC” or whatever you have named it.

Step 3:

Navigate to the search box in the top-right of your PC’s screen and type “fileextension:” and after which type the file extension. If you are looking for malicious executables, an example may be “fileextension:exe”. After doing that, leave a space and type the file name you believe the malware has created. Here is how it may appear if your file has been found:

N.B. We recommend to wait for the green loading bar in the navination box to fill up in case the PC is looking for the file and hasn’t found it yet.

For Older Windows Operating Systems

In older Windows OS’s the conventional approach should be the effective one:

Step 1:

Click on the Start Menu icon (usually on your bottom-left) and then choose the Search preference.

Step 2:

After the search window appears, choose More Advanced Options from the search assistant box. Another way is by clicking on All Files and Folders.

Step 3:

After that type the name of the file you are looking for and click on the Search button. This might take some time after which results will appear. If you have found the malicious file, you may copy or open its location by right-clicking on it.

Now you should be able to discover any file on Windows as long as it is on your hard drive and is not concealed via special software.

Automatically remove .SENRUS17 Virus by downloading an advanced anti-malware program

1. Remove .SENRUS17 Virus with SpyHunter Anti-Malware Tool and back up your data

Remove .SENRUS17 Virus with SpyHunter Anti-Malware Tool

1. Install SpyHunter to scan for and remove .SENRUS17 Virus.2. Scan with SpyHunter to Detect and Remove .SENRUS17 Virus. Back up your data to secure it against infections and file encryption by .SENRUS17 Virus in the future.

Step 1:Click on the “Download” button to proceed to SpyHunter’s download page.

It is highly recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter.

Step 2: Guide yourself by the download instructions provided for each browser.Step 3: After you have installed SpyHunter, wait for it to automatically update.

Step1: After the update process has finished, click on the ‘Scan Computer Now’ button.Step2: After SpyHunter has finished scanning your PC for any .SENRUS17 Virus files, click on the ‘Fix Threats’ button to remove them automatically and permanently.Step3: Once the intrusions on your PC have been removed, it is highly recommended to restart it.

Back up your data to secure it against attacks in the future

IMPORTANT! Before reading the Windows backup instructions, we highly recommend to back up your data automatically with cloud backup and insure it against any type of data loss on your device, even the most severe. We recommend reading more about and downloading SOS Online Backup.

2. Restore files encrypted by .SENRUS17 Virus

Restore Files Encrypted by .SENRUS17 Virus

Ransomware infections like .SENRUS17 Virus aim to encrypt your files using an encryption algorithm which may be very difficult to directly decrypt. This is why we have suggested several alternative methods that may help you go around direct decryption and try to restore your files. Bear in mind that they may not be 100% effective but they may help you little or a lot in some situations.

Method 2: Trying Kaspersky and EmsiSoft’s decryptors.If the first method does not work, we suggest trying to use decryptors for other ransomware viruses, in case your virus is a variant of them. The two primary developers of decryptors are Kaspersky and EmsiSoft, links to which we have provided below:

Urgent!It is strongly advisable to first remove the .SENRUS17 Virus threat before attempting any decryption, since it may interfere with system files and registries. You can do the removal yourself just in 5 minutes, using an advanced malware removal tool.

Method 3: Using Shadow Explorer

To restore your data in case you have backup set up, it is important to check for shadow copies in Windows using this software if ransomware has not deleted them:

Another way to decrypt the files is by using a Network Sniffer to get the encryption key, while files are encrypted on your system. A Network Sniffer is a program and/or device monitoring data traveling over a network, such as its internet traffic and internet packets. If you have a sniffer set before the attack happened you might get information about the decryption key. See how-to instructions below:

Remove .SENRUS17 Virus Using Other Alternative Tools

STOPZilla Anti Malware

1. Download and Install STOPZilla Anti-malware to Scan for And Remove .SENRUS17 Virus.Step 1: Download STOPZilla by clicking here.Step 2: A pop-up window will appear. Click on the ‘Save File’ button. If it does not, click on the Download button and save it afterwards.Step 3: After you have downloaded the setup, simply open it.Step 4: The installer should appear. Click on the ‘Next’ button.Step 5: Check the ‘I accept the agreement’ check circle if not checked if you accept it and click the ‘Next’ button once again.Step 6: Review and click on the ‘Install’ button.Step 7: After the installation process has completed click on the ‘Finish’ button.

2. Scan your PC with STOPZilla Anti Malware to remove all .SENRUS17 Virus associated files completely.Step 1:Launch STOPZilla if you haven’t launched it after install.Step 2: Wait for the software to automatically scan and then click on the ‘Repair Now’ button. If it does not scan automatically, click on the ‘Scan Now’ button.Step 3: After the removal of all threats and associated objects, you should Restart your PC.

A network administrator and malware researcher at SensorsTechForum with passion for discovery of new shifts and innovations in cyber security. Strong believer in basic education of every user towards online safety.